Download or read book A Key to the New and Previous Editions of a Manual of Plane Trigonometry (1860) written by Joseph Allen Galbraith and published by . This book was released on 2008-08 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work.